create_promotion

Create a promotion / discount code. type=percentage or fixed_amount; value is the discount as a string ("10" = 10% or 10 currency units). Codes are uppercased server-side.

SERVERFavCRM SOURCEhttps://api.favcrm.io/mcp

Medium RISK CLASS

Category Write

Parameters 123 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-favcrm-favcrm/create-promotion.md

WHAT IT DOES

What create_promotion does on FavCRM

AI agents use create_promotion to create or update resources in FavCRM, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FavCRM environment.

Parameter	Type	Required	Description
`code`	string	Yes	Coupon code customers enter at checkout (auto-uppercased)
`name`	string	Yes	Promotion name (internal)
`type`	string	—	Default percentage
`value`	string	Yes	Discount value as decimal string
`endsAt`	object	—	ISO datetime — when the promo expires
`status`	string	—	Default active
`startsAt`	object	—	ISO datetime — when the promo becomes valid
`posEnabled`	boolean	—	Allow at POS
`description`	string	—	Description
`eventEnabled`	boolean	—	Allow on event registrations
`minimumAmount`	object	—	Minimum order amount required, decimal string
`onlineEnabled`	boolean	—	Allow on online shop orders

Parameters from the server's own tool schema.

RISK

Why create_promotion is rated Medium

This tool creates or modifies data (a promotion record) in a reversible manner—discount codes can be updated, disabled, or deleted without permanent data loss. It does not execute arbitrary code, delete data irreversibly, or move money directly.

From the tool's definition create_promotion creates a new discount code object with configurable type (percentage or fixed_amount) and value parameters. The tool name and description explicitly indicate creation of a new resource ('Create a promotion / discount code').

Risk signalsAccepts freeform code/query input (code) · High parameter count (17 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_promotion safely

PolicyLayer is an MCP gateway: it sits between your AI agents and FavCRM, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_promotion, this is the rule to start with:

create_promotion Rate-limited

create_promotion stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_promotion": {
      "limits": [
        {
          "counter": "create_promotion_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect FavCRM, apply this rule, and every create_promotion call is checked against it from then on.

FAQ

Questions about create_promotion

What does the create_promotion tool do? +

Create a promotion / discount code. type=percentage or fixed_amount; value is the discount as a string ("10" = 10% or 10 currency units). Codes are uppercased server-side. It is categorised as a Write tool in the FavCRM MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does create_promotion accept? +

create_promotion accepts 12 parameters: code, name, type, value, endsAt, status, startsAt, posEnabled, description, eventEnabled, minimumAmount, onlineEnabled. Required: code, name, value. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on create_promotion? +

Register the FavCRM MCP server in PolicyLayer and add a rule for create_promotion: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches FavCRM. Nothing to install.

What risk level is create_promotion? +

create_promotion is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit create_promotion? +

Yes. Add a rate_limit block to the create_promotion rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block create_promotion completely? +

Set action: deny in the PolicyLayer policy for create_promotion. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides create_promotion? +

create_promotion is provided by the FavCRM MCP server (https://api.favcrm.io/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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